HydroBASINS lev08 watershed · #4080689350
Bassin de 涪江
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 2 administrative regions : Mianyang, Ngawa Tibetan and Qiang
Sub-basin area
276,6km²
Upstream area
1 821,3km²
Discharge
22,94m³/s
Mean elev.
2 424m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 涪江894 km²
- Bassin de 涪江650 km²
2 dept-equivalent regions (GADM L2)
- 266.1 km²96.3% of basin
- 10.3 km²3.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
86 distinct species · 182 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de 涪江 : 21 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 26 interactions GloBI sur 3 types (connectance 8.0%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
7,7°C
Annual rain
784mm
Moisture idx (CMI)
-0,19
Runoff
395mm/an
PET
977mm
AET
661mm
Mean slope
30,2°
Water table
1 055cm
Forest
93%
Crops
5%
Urban
0%
Protected
17%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)